GeForce 830A and GeForce 840A - video card comparison
Passmark - benchmark score GeForce 830A vs GeForce 840A
GeForce 830A
1172
GeForce 840A
1214
GeForce 830A
GeForce 840A
Architecture
Maxwell (2014−2018)
Maxwell (2014−2018)
GPU code name
GM108
GM108
Market segment
Desktop
Desktop
Release date
July 2014
March 2014
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Boost clock speed
1150 MHz
1124 MHz
Core clock speed
1082 MHz
1029 MHz
Floating-point performance
588.8 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Pipelines / CUDA cores
256
384
Power consumption (TDP)
33 Watt
33 Watt
Texture fill rate
18.40
17.98
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1800 MHz
2002 MHz
Memory bandwidth
14.4 GB/s
16.02 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (11_0)
CUDA
5.0
5.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126